FL817 PDF Datasheet – Phototransistor, Photocoupler

Part Number: FL817

Function: Phototransistor Detector

Package: DIP 4 Pin Type

Manufacturer: FANGJING


1 page
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The FL817 series of devices each consist of an infrared Emitting diodes, optically coupled to a phototransistor detector. They are packaged in a 4-pin DIP package and available in Wide-lead spacing and SMD option.



1. Current transfer ratio : (CTR:50%-600% at IF=5mA,VCE=5V)

2. High isolation voltage between input and output (Viso=5000V rms)

3. Creepage distance>7.62mm

4. Pb free and ROHS compliant





1. Programmable controllers

2. System appliances,measuring instruments

3. Telecommunication equipments

4. Home appliances,such as fan heaters,etc

FL817 Datasheet